單項選擇題

On-scene communications will normally take place between（）.

A.ship in distress and assisting units
B.NCS and RCC
C.RCCs and “on-scene commander” or “coordinator surface search”
D.ship in distress and coast station

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單項選擇題

（）will form the basis for distress alerting and safety calling.

A.GMDSS
B.EGC
C.MSI
D.DSC

單項選擇題

Distress signal are always stored in the memory so as to start（）.

A.local-mode coverage
B.SAR operation
C.data process
D.continuous broadcast